Application

18493835 · COMPOSITE, ZONED OXIDATION CATALYST FOR A COMPRESSION IGNITION INTERNAL COMBUSTION ENGINE

Filed 2023-10-25 · Granted · Patent 12296319 (2025-05-13) The official file ↗The patent and its PDF ↗ · Art unit 1736 · Examiner Cam N Nguyen Typical · CPC B01D 53/944 · JOHNSON MATTHEY PUBLIC LIMITED COMPANY · BakerHostetler / Johnson Matthey

Office actions

first was Restriction requirement

RCEs

no appeal

To first action

8.5 mo

to disposition 18.6 mo

Statutes raised

102 103 112

1 actions read

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